CVE-2021-35508

high

Description

NMSAccess32.exe in TeraRecon AQNetClient 4.4.13 allows attackers to execute a malicious binary with SYSTEM privileges via a low-privileged user account. To exploit this, a low-privileged user must change the service configuration or overwrite the binary service.

References

https://www.linkedin.com/pulse/cve-2021-35508-privilege-escalation-via-weak-windows-marshall-mba

https://terarecon.sharefile.com/d-s05c8b7792f354a2d8115789a02449c4a

Details

Source: Mitre, NVD

Published: 2021-09-01

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 8.5

Vector: CVSS2#AV:N/AC:M/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00284